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/*
* Copyright (C) 2007-2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HTMLDocument.h"
#include "Frame.h"
#include "HTMLIFrameElement.h"
#include "HTMLNames.h"
#include "V8Binding.h"
#include "V8CustomBinding.h"
#include "V8Proxy.h"
#include <wtf/RefPtr.h>
namespace WebCore {
NAMED_PROPERTY_DELETER(HTMLDocument)
{
// Only handle document.all. Insert the marker object into the
// shadow internal field to signal that document.all is no longer
// shadowed.
String key = toWebCoreString(name);
if (key != "all")
return deletionNotHandledByInterceptor();
ASSERT(info.Holder()->InternalFieldCount() == kHTMLDocumentInternalFieldCount);
v8::Local<v8::Value> marker = info.Holder()->GetInternalField(kHTMLDocumentMarkerIndex);
info.Holder()->SetInternalField(kHTMLDocumentShadowIndex, marker);
return v8::True();
}
NAMED_PROPERTY_SETTER(HTMLDocument)
{
INC_STATS("DOM.HTMLDocument.NamedPropertySetter");
// Only handle document.all. We insert the value into the shadow
// internal field from which the getter will retrieve it.
String key = toWebCoreString(name);
if (key == "all") {
ASSERT(info.Holder()->InternalFieldCount() == kHTMLDocumentInternalFieldCount);
info.Holder()->SetInternalField(kHTMLDocumentShadowIndex, value);
}
return notHandledByInterceptor();
}
NAMED_PROPERTY_GETTER(HTMLDocument)
{
INC_STATS("DOM.HTMLDocument.NamedPropertyGetter");
AtomicString key = toWebCoreString(name);
// Special case for document.all. If the value in the shadow
// internal field is not the marker object, then document.all has
// been temporarily shadowed and we return the value.
if (key == "all") {
ASSERT(info.Holder()->InternalFieldCount() == kHTMLDocumentInternalFieldCount);
v8::Local<v8::Value> marker = info.Holder()->GetInternalField(kHTMLDocumentMarkerIndex);
v8::Local<v8::Value> value = info.Holder()->GetInternalField(kHTMLDocumentShadowIndex);
if (marker != value)
return value;
}
HTMLDocument* imp = V8Proxy::DOMWrapperToNode<HTMLDocument>(info.Holder());
// Fast case for named elements that are not there.
if (!imp->hasNamedItem(key.impl()) && !imp->hasExtraNamedItem(key.impl()))
return v8::Handle<v8::Value>();
RefPtr<HTMLCollection> items = imp->documentNamedItems(key);
if (!items->length())
return notHandledByInterceptor();
if (items->length() == 1) {
Node* node = items->firstItem();
Frame* frame = 0;
if (node->hasTagName(HTMLNames::iframeTag) && (frame = static_cast<HTMLIFrameElement*>(node)->contentFrame()))
return V8Proxy::ToV8Object(V8ClassIndex::DOMWINDOW, frame->domWindow());
return V8Proxy::NodeToV8Object(node);
}
return V8Proxy::ToV8Object(V8ClassIndex::HTMLCOLLECTION, items.get());
}
} // namespace WebCore
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